ASTM A335 Gr.6 Cold Drawn Seamless Alloy Boiler Heat Exchanger Tubes with 415 MPa Tensile Strength
Price:
Negotiable
MOQ:
5 tons per size
Delivery Time:
30DAYS
Brand:
Joyruns
Product Description
Cold Drawn Seamless Alloy Boiler Heat Exchanger Tubes
High-performance seamless alloy tubes manufactured through cold drawing process, compliant with ASTM A335 Grade 6 standards for superior heat transfer applications in demanding industrial environments.
Primary Applications
- Boiler and boiler flue tubes
- Safe end, vault and supporting tubes
- Superheater minimum wall thickness tubes
- Heat exchangers and condensers
- Steam tubes and heat transfer apparatus
Chemical Composition Specifications
| Grade | UNS Designation | Carbon (%) | Manganese (%) | Phosphorus (%) | Sulfur (%) | Silicon (%) | Chromium (%) | Molybdenum (%) |
|---|---|---|---|---|---|---|---|---|
| P1 | K11522 | 0.10-0.20 | 0.30-0.80 | 0.025 max | 0.025 max | 0.10-0.50 | --- | 0.44-0.65 |
| P2 | K11547 | 0.10-0.20 | 0.30-0.61 | 0.025 max | 0.025 max | 0.10-0.30 | 0.50-0.81 | 0.44-0.65 |
| P5 | K41545 | 0.15 max | 0.30-0.60 | 0.025 max | 0.025 max | 0.50 max | 4.00-6.00 | 0.45-0.65 |
| P9 | S50400 | 0.15 max | 0.30-0.60 | 0.025 max | 0.025 max | 0.25-1.00 | 8.00-10.00 | 0.90-1.10 |
| P11 | K11597 | 0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
| P12 | K11562 | 0.05-0.15 | 0.30-0.61 | 0.025 max | 0.025 max | 0.50 max | 0.80-1.25 | 0.44-0.65 |
| P22 | K21590 | 0.05-0.15 | 0.30-0.60 | 0.025 max | 0.025 max | 0.50 max | 1.90-2.60 | 0.87-1.13 |
Mechanical Properties
| Property | Grade P11, P22, P5, P9 | Grade P91 | Grade P92 |
|---|---|---|---|
| Tensile Strength, min (MPa) | 415 | 585 | 620 |
| Yield Strength, min (MPa) | 205 | 415 | 440 |
| Elongation, min (%) L/T | 30/20 | 20/... | 20/... |
Heat Treatment
Annealed / Normalized + Tempered (A/N+T) | Normalized + Tempered / Quenched + Tempered (N+T/Q+T) | Normalized + Tempered (N+T)
Designed for high-temperature service in power generation and industrial heating systems with excellent thermal conductivity and corrosion resistance.
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Company
Changzhou Joyruns Steel Tube CO.,LTD
Location
No.143 Qingyang North road,Tianning district. Changzhou
Contact Person
Lee